/*
 * Funambol is a mobile platform developed by Funambol, Inc. 
 * Copyright (C) 2008 Funambol, Inc.
 * 
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License version 3 as published by
 * the Free Software Foundation with the addition of the following permission 
 * added to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED
 * WORK IN WHICH THE COPYRIGHT IS OWNED BY FUNAMBOL, FUNAMBOL DISCLAIMS THE 
 * WARRANTY OF NON INFRINGEMENT  OF THIRD PARTY RIGHTS.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU Affero General Public License 
 * along with this program; if not, see http://www.gnu.org/licenses or write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301 USA.
 * 
 * You can contact Funambol, Inc. headquarters at 643 Bair Island Road, Suite 
 * 305, Redwood City, CA 94063, USA, or at email address info@funambol.com.
 * 
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License version 3.
 * 
 * In accordance with Section 7(b) of the GNU Affero General Public License
 * version 3, these Appropriate Legal Notices must retain the display of the
 * "Powered by Funambol" logo. If the display of the logo is not reasonably 
 * feasible for technical reasons, the Appropriate Legal Notices must display
 * the words "Powered by Funambol".
 */

#ifndef INCL_EVENT_CHANGESTRACKER
#define INCL_EVENT_CHANGESTRACKER

#include "ChangesTracker.h"
#include "base/util/StringBuffer.h"
#include "base/util/ArrayListEnumeration.h"
#include "SQLiteDriver.h"
#include "constants.h"

using namespace Funambol;

class EventChangesTracker : public ChangesTracker {
    
private:
    
    StringBuffer path;
    
    /**
    * It gets the query to understand the new, modified, deleted. It is used 
    * by getModifications() method.
    *
    * @param type the type 1=new, 2=updated, 3=deleted for the query
    * @param lastSyncTime   the value of the last sync time
    */
    StringBuffer getQueryForItems(int type, unsigned long lastSyncTime);
    
    /**
    * It gets the query to get all the items keys
    * used by getAll method
    *
    */
    
    StringBuffer getQueryForAllItems();
        
public:
    
    EventChangesTracker(const char* cpath);
    
    ~EventChangesTracker();

    void getModifications(unsigned long lastsyncdate);
    
    void getAll();
    
    /**
    * Return the size of the newKeys array
    */
    int getNewSize() {
        int v = 0;
        if (newKeys) {
            while(newKeys->hasMoreElement()) {
                newKeys->getNextElement();
                v++;
            }           
        }    
        return v;   
    }
    
    /**
    * Return the size of the updatedKeys array
    */
    int getUpdatedSize() {
        int v = 0;
        if (updatedKeys) {
            while(updatedKeys->hasMoreElement()) {
                updatedKeys->getNextElement();
                v++;
            }           
        }    
        return v;          
    }

    /**
    * Return the size of the deletedKeys array
    */    
    int getDeletedSize() {
        int v = 0;
        if (deletedKeys) {
            while(deletedKeys->hasMoreElement()) {
                deletedKeys->getNextElement();
                v++;
            }           
        }    
        return v;          
    }
    
    /**
    * Return the size of the allKeys array
    */
    int getAllSize() {
        int v = 0;
        if (allKeys) {
            while(allKeys->hasMoreElement()) {
                allKeys->getNextElement();
                v++;
            }           
        }    
        return v;          
    }

};

#endif

